89763902069 has 4 divisors (see below), whose sum is σ = 89960322444. Its totient is φ = 89567481696.

The previous prime is 89763902057. The next prime is 89763902083. The reversal of 89763902069 is 96020936798.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69834933169 + 19928968900 = 264263^2 + 141170^2 .

It is a cyclic number.

It is not a de Polignac number, because 89763902069 - 2³⁶ = 21044425333 is a prime.

It is a super-2 number, since 2×89763902069² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89763901999 and 89763902017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89763902029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98209502 + ... + 98210415.

It is an arithmetic number, because the mean of its divisors is an integer number (22490080611).

Almost surely, 2^89763902069 is an apocalyptic number.

It is an amenable number.

89763902069 is a deficient number, since it is larger than the sum of its proper divisors (196420375).

89763902069 is a wasteful number, since it uses less digits than its factorization.

89763902069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196420374.

The product of its (nonzero) digits is 8817984, while the sum is 59.

The spelling of 89763902069 in words is "eighty-nine billion, seven hundred sixty-three million, nine hundred two thousand, sixty-nine".